CONSTRUCTION OF 132/33 KV, 2X50 MVA GIS SUBSTATION AT HATHI BHATA (AJMER) ALONGWITH ASSOCIATED TRANSMISSION LINES

SUPPLY - 132 KV GIS SUBSTATION AT HATHI BHATA AJMER

SUBSTATION EQUIPMENTS

Power Transformer:

Power Transformer: 132/33 kV, 50 MVA Transformer with all accessories and 10% extra oil in non-returnable steel drums

RTCC Panel fitted with Transformer Monitoring cum Tap changer control System (TCS) alongwith associated acessories complete in all respect.

132 kV Indoor GIS Switchgear Equipments

145kV, 1250A, SF6 gas insulated Transformer bay module each comprising of SF6 gas insulated circuit breaker, current transformer, bus-bar disconnectors with common earthing switch, line disconnector with safety earthing switch, SF6 gas monitoring system for complete bay, local control cubicle, SF6 Gas Insulated terminal connection for connecting Power Transformer (Air/ SF6) with GIS through gas insulated interconnection bus (rating 1250A) complete with all accessories. Interconnection of GIS to Outdoor Power Transformers through 145 kV SF6 Gas Insulated bus inteconnection Duct (Suitable length as per Layout for 3-phases and rated current of module) consists of SF6 gas insulated bus interconnection duct, outdoor SF6-Air Terminations (for 3-Phases) with terminal connector suitable for 50 mm Al Pipe, support structures with suitable clamp/ connectors etc. Other accessories/items if any to complete transformer bay module alongwith SF6 gas insulated bus interconnection duct and terminations as indicated in the SLD/ Layout of substation and as per technical specifications.

145kV, 1250A, SF6 gas insulated Feeder bay module each comprising of SF6 gas insulated circuit breaker, current transformer , bus-bar disconnectors with common grounding switch, line disconnector with safety grounding switch, high speed fault making grounding switch, surge arrestors, PT, SF6 gas monitoring system for complete bay, local control cubicle, gas insulated terminal connection for connecting XLPE cable with cable termination enclosure and other accessories with GIS etc. to complete feeder bay module as indicated in the SLD/ Layout of substation and as per technical specifications.

Double Bus Arrangement, 145kV, 3 Phase, SF6 gas insulated metal enclosed 2500A bus bars running along the length of the switchgear to interconnect each of circuit breaker bay module. Each bus bar set shall be complete with voltage transformer complete disconnector with safety earthing switch, local control cubicle (if required), SF6 gas monitoring system etc. for the complete bus as indicated in the SLD/ Layout of substation and as per technical specifications.

145kV, 2500A, SF6 gas insulated Bus Coupler Bay Module comprising of SF6 gas insulated circuit breaker, current transformer, disconnectors with safety earthing switches, Local control cubicle, SF6 gas monitoring system for complete bay etc. as indicated in the SLD/ Layout of substation and as per technical specifications.